Ionosphere impact on GPS assisted positional errors | |
| Author | Harish, Basava |
| Call Number | AIT Thesis no.RS-18-16 |
| Subject(s) | Ionosphere--Mathematical models Global Positioning System |
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Remote Sensing and Geographic Information System, School of Engineering and Technology |
| Publisher | Asian Institute of Technology |
| Abstract | Interplanetary space weather occurrences are causing rapid shifts in the Global navigation satellite system signals which causes the scintillations in the ionosphere region due to the electron content present. These electrons in ionosphere region are caused by the plasma bubble known as equatorially ionization anomaly (EIA) in the regions of equator and have the effects in the polar regions which are observed as auroras due to the different solar activities. These increase in solar activities show an adverse effect on signals by causing positional errors. Which is a great loss and effect to human activities. These also help us to understand the nature and how the various elements in space are interlinked with the earth. Solar activities in ionosphere region have an estimate of total electron content (TEC) and S4 by using the GPS SCINDA which is located at AIT Bangkok and Multi GNSS receiver station located at Vijayawada, both the stations are the regions are low latitude places with intense equatorial ionosphere disturbances and comparison is done. Comparison of TEC for both the stations is done with newly introduced model IRI 2016 model data. Enhancement of GPS positioning error, S4 values is analyzed with the navigation files and observation files by estimating the positioning error. |
| Year | 2018 |
| Type | Thesis |
| School | School of Engineering and Technology |
| Department | Department of Information and Communications Technologies (DICT) |
| Academic Program/FoS | Remote Sensing (RS) |
| Chairperson(s) | Tripathi, Nitin Kumar |
| Examination Committee(s) | Virdis, Salvatore G. P. ;Pal, Indrajit ;Ratnam, Venkata |
| Scholarship Donor(s) | AIT Fellowship |
| Degree | Thesis (M. Eng.) - Asian Institute of Technology, 2018 |